Home / 47,619,357.48-65,728,698.78-31,102,007.16

Finding the Fourth Proportional to 47,619,357.48, 65,728,698.78 and 31,102,007.16

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Solution

The fourth proportional to 47,619,357.48, 65,728,698.78 and 31,102,007.16 is: 42,929,904.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,619,357.48 : 65,728,698.78 = 31,102,007.16 : x
  2. Step 2: Convert to fraction form
    47,619,357.48/65,728,698.78 = 31,102,007.16/x
  3. Step 3: Cross multiply
    47,619,357.48x = 65,728,698.78 × 31,102,007.16
  4. Step 4: Simplify right side
    47,619,357.48x = 2,044,294,460,073,043.25
  5. Step 5: Solve for x
    x = 2,044,294,460,073,043.25/47,619,357.48
  6. Step 6: Final answer
    x = 42,929,904.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.